Iget ablank screen when i plug to voodoo2 card. have a pcchips mobo with 3pci slots have original card in slot 1 voodoo in 2 oem card works voodoo does not[]

check here: http://helppage.3dfx.sk/#SLI and if you are 100% sure that you did everything correctly and it still wont work,come back and post more details.